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| 1 | +/* |
| 2 | + * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | + * or more contributor license agreements. See the NOTICE file |
| 4 | + * distributed with this work for additional information |
| 5 | + * regarding copyright ownership. The ASF licenses this file |
| 6 | + * to you under the Apache License, Version 2.0 (the |
| 7 | + * "License"); you may not use this file except in compliance |
| 8 | + * with the License. You may obtain a copy of the License at |
| 9 | + * |
| 10 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | + * |
| 12 | + * Unless required by applicable law or agreed to in writing, software |
| 13 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | + * See the License for the specific language governing permissions and |
| 16 | + * limitations under the License. |
| 17 | + */ |
| 18 | + |
| 19 | +package org.apache.flink.table.planner.plan.abilities.sink; |
| 20 | + |
| 21 | +import org.apache.flink.table.api.TableException; |
| 22 | +import org.apache.flink.table.connector.sink.DynamicTableSink; |
| 23 | +import org.apache.flink.table.connector.sink.abilities.SupportsTargetColumnWriting; |
| 24 | + |
| 25 | +import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonCreator; |
| 26 | +import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonIgnoreProperties; |
| 27 | +import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonProperty; |
| 28 | +import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonTypeName; |
| 29 | + |
| 30 | +import java.util.Arrays; |
| 31 | +import java.util.Objects; |
| 32 | + |
| 33 | +/** |
| 34 | + * A sub-class of {@link SinkAbilitySpec} that can not only serialize/deserialize the writing target |
| 35 | + * column indices to/from JSON, but also can write the target columns for {@link |
| 36 | + * SupportsTargetColumnWriting}. |
| 37 | + */ |
| 38 | +@JsonIgnoreProperties(ignoreUnknown = true) |
| 39 | +@JsonTypeName("TargetColumnWriting") |
| 40 | +public class TargetColumnWritingSpec implements SinkAbilitySpec { |
| 41 | + public static final String FIELD_NAME_TARGET_COLUMNS = "targetColumns"; |
| 42 | + |
| 43 | + @JsonProperty(FIELD_NAME_TARGET_COLUMNS) |
| 44 | + private final int[][] targetColumns; |
| 45 | + |
| 46 | + @JsonCreator |
| 47 | + public TargetColumnWritingSpec(@JsonProperty(FIELD_NAME_TARGET_COLUMNS) int[][] targetColumns) { |
| 48 | + this.targetColumns = targetColumns; |
| 49 | + } |
| 50 | + |
| 51 | + @Override |
| 52 | + public void apply(DynamicTableSink tableSink) { |
| 53 | + if (tableSink instanceof SupportsTargetColumnWriting) { |
| 54 | + ((SupportsTargetColumnWriting) tableSink).applyTargetColumns(targetColumns); |
| 55 | + } else { |
| 56 | + throw new TableException( |
| 57 | + String.format( |
| 58 | + "%s does not support SupportsTargetColumnWriting.", |
| 59 | + tableSink.getClass().getName())); |
| 60 | + } |
| 61 | + } |
| 62 | + |
| 63 | + @Override |
| 64 | + public boolean equals(Object o) { |
| 65 | + if (this == o) { |
| 66 | + return true; |
| 67 | + } |
| 68 | + if (o == null || getClass() != o.getClass()) { |
| 69 | + return false; |
| 70 | + } |
| 71 | + TargetColumnWritingSpec that = (TargetColumnWritingSpec) o; |
| 72 | + return Objects.deepEquals(targetColumns, that.targetColumns); |
| 73 | + } |
| 74 | + |
| 75 | + @Override |
| 76 | + public int hashCode() { |
| 77 | + return Arrays.deepHashCode(targetColumns); |
| 78 | + } |
| 79 | +} |
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